<h4>Link</h4>
<dl>
	<dt>Link URL</dt>
	<dd>The whole uBillboard can be wired to open a specific link. If you specify a link here, it will be used when this slide
	is currently being shown and the user clicks on an area of uBillboard that does not trigger another functionality (like
	go to Next page or similar).</dd>
</dl>